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Grade 12th passIIT JEE Entrance Exam

question no 9 and 10 please answer ...............................

Question image for question no 9 and 10 please answer ..............

we will so

7 Years agoGrade 12th pass

1 Answer

Arun

Approved Tutor Answer7 Years ago

Dear student

coefficient ofx^k =

= kC k + (k+1)C k + (k+2)C k +......... nC k

nowuse uppe index variable and solve it

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